Note: Updates from Mac OS Ventura will not work to update the altimeter, for which reason it is recommended to use a PC or a previous Mac OS.
Firmware Version 3.8 (4/7/23)
Improvements to flash memory system. Enables flash memory reformatting by holding down top button for five seconds when pressing reset button on altimeter. (
It is normal to see your approximate altitude reported MSL after this update for several minutes.).
DigiAlti_Firmware_3_8.zip